CN101821008A - Articles, devices and methods - Google Patents
Articles, devices and methods Download PDFInfo
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- CN101821008A CN101821008A CN200880112261A CN200880112261A CN101821008A CN 101821008 A CN101821008 A CN 101821008A CN 200880112261 A CN200880112261 A CN 200880112261A CN 200880112261 A CN200880112261 A CN 200880112261A CN 101821008 A CN101821008 A CN 101821008A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/02—Adapting objects or devices to another
- B01L2200/025—Align devices or objects to ensure defined positions relative to each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/14—Process control and prevention of errors
- B01L2200/141—Preventing contamination, tampering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/14—Process control and prevention of errors
- B01L2200/143—Quality control, feedback systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0809—Geometry, shape and general structure rectangular shaped
- B01L2300/0816—Cards, e.g. flat sample carriers usually with flow in two horizontal directions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0861—Configuration of multiple channels and/or chambers in a single devices
- B01L2300/0864—Configuration of multiple channels and/or chambers in a single devices comprising only one inlet and multiple receiving wells, e.g. for separation, splitting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/16—Surface properties and coatings
- B01L2300/168—Specific optical properties, e.g. reflective coatings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0325—Cells for testing reactions, e.g. containing reagents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0346—Capillary cells; Microcells
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N2021/0378—Shapes
- G01N2021/0382—Frustoconical, tapered cell
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Abstract
An article includes a substrate assembly for a detector system. The substrate assembly includes a substrate; a sample receiving structure secured to the substrate; a test window extending through the substrate; and a fluidic channel defined by a surface of the substrate and extending from the sample receiving structure to the test window. The test window is transparent to light of a particular wavelength, such as ultraviolet light.
Description
Cross-reference to related applications
The application is the non-provisional application that requires the priority of the interim U.S. Patent application 60/955,823 submitted to August in 2007 14, and its disclosure is attached to herein by reference.
Technical background
Technical field
The present invention includes and relate to goods that are used for detector means and the embodiment that relates to detector means.The present invention includes the embodiment that relates to the method for using goods or detector means.
Technical discussion
The microfluid detector system can be analyzed the small amount of sample of drawing-in system.Sample can comprise the analyte of one or more concerns.The microfluid detector system can have a plurality of parts, comprises that the response detected parameters changes the propulsion plant of analyte, current control, stream adjusting parts, the energy and detector.Propulsion plant can be pump, and current control can comprise valve and filter, and stream is regulated parts can comprise heater and cooler, and detector can comprise optics, thermal and electrochemical detector.
The microfluid detector system can use fluid pump and/or syringe, but a certain amount of sample is provided to the wherein pilot region of test specimen.Move and the metering sample and between using cleaning and the pipe in washing test zone and/or the complexity of automation may become problem.In addition, the microfluid detector system may be heavy dimensionally, and may the light and open-air use of incompatibility.
Therefore, can desirably have and have the character that is different from the present available apparatus or the property of system and the device or the system of characteristic.Can desirably have the method that is different from present methods availalbe.
Summary of the invention
In one embodiment, a kind of goods comprise the substrate sub-assembly that is used for detector system.The substrate sub-assembly comprises substrate; Be fixed to the sample reception structure of substrate; Extend through the test window of substrate; And the fluid passage, described fluid passage is limited by the surface of substrate, and extends to the test window from sample reception structure.
In one embodiment, the invention provides a kind of and device article combination.Device comprises the shell with inner surface, and inner surface limits the chamber that can hold goods, the energy and detector.The energy and detector are aimed at at least one test window of goods when goods are accommodated in the shell chamber.
The accompanying drawing summary
Fig. 1 illustrative is according to the substrate sub-assembly of one embodiment of the invention.
Fig. 2 illustrative is according to another substrate sub-assembly of one embodiment of the invention.
Detailed Description Of The Invention
The present invention includes and relate to the embodiment of goods that contains the sample of analyte for test. Goods can place the detector of test product.
Term used herein " can " and " can for " be illustrated in one group of situation the possibility that regulation character, characteristic or function occur, have, and/or modify another verb by expressing one or more abilities, performance or the possibility relevant with the modification verb. Therefore, " can " and the use of " can for " represent the term modified obviously suitably, can or ability, function or the use of suitable appointment, although consider in some cases, the term of modification may not be suitably sometimes, can or be fit to.
Term " transparent " is defined as transmission greater than 90% appointment electromagnetic radiation.If do not stipulate electromagnetic radiation or energy, then refer to visible light.Term used herein " fluid " comprises liquid, steam or the gas that is fit to environment, and can refer to be fit to aqueous specimen, oil base sample and the biologically-derived fluid of environment.
In one embodiment, the invention provides a kind of goods, described goods comprise the substrate sub-assembly that is used for detector system.The substrate sub-assembly comprises substrate, is fixed to the sample reception structure of substrate and extends through the test window of substrate.The fluid passage is limited by the surface of substrate.The fluid passage extends to the test window from sample reception structure.
According to the type of fluid that will take a sample these factors of type, can form suitable substrate by inorganic material or organic material with the analyte that will measure.In one embodiment, substrate comprises ultraviolet (UV) transparent material.A kind of suitable substrate material can comprise quartz material.In one embodiment, substrate can be at least 99% opaque in the substrate region that is not in test window zone.
Suitable polymeric material as substrate can comprise polyolefin, siloxanes, Merlon or PEI.The polyolefin that is fit to can comprise polyethylene, polypropylene or its halide derivative.Other substrates can maybe can disperse for solvable, degradable; These substrates can be formed by hydroxy propyl cellulose or low-molecular-weight (MW) polyethylene glycol.
In some cases, the shaping of goods can influence performance.At least formed article can with the receiving unit relative configurations of detector.A kind of suitable shape can be polygon.The polygon goods can limit three or more angles.By arranging at least one angle, the bootable substrate sub-assembly of user is located in detector system.The substrate sub-assembly is measured accuracy and repeatability with respect to the energy and detector to improving.Substrate can have the surface that limits one or more holes, and these holes can make the position alignment of substrate sub-assembly in detector system.
Sample reception structure can be configured as to be influenced the fluid inflow and passes through passage.Sample reception structure has inner surface, and inner surface limits a plurality of fluid issuings that are coupled to stream.In one embodiment, sample reception structure can have oval cross section, circular cross section or polygon cross section.The selection of sample reception structure structure can influence these parameters, as flow, fluid distribution, flow velocity and sample size.Inner surface can have the frusto-conical that is limited by sidewall, and other sidewall direction also can be used.The gradient of sidewall, texture and composition can influence above definite parameter.
About the test window, suitable test window can be transparent to the electromagnetic radiation of measuring wavelength.In one embodiment, the test window has wide in about 90% transparency for about 463 nanometers, 525 nanometers, 630 nanometers or 780 nano wave lengths.In another embodiment, the test window has wide in about 90% transparency for greater than about 420 nano wave lengths.In another embodiment, the test window has wide in about 90% transparency for less than about 900 nano wave lengths.In another embodiment, the test window has wide in about 90% transparency for greater than about 220 nano wave lengths.
The test window can comprise functionalized surfaces.Functionalized surfaces can have hydroxyl, silanol, amine or aldehyde side group.Can make hydrogel be fixed to functionalized surfaces.Hydrogel can comprise and is selected from two or more the material of copolymer of poly-(methacrylic acid hydroxyl ethyl ester), poly-(acrylic acid), poly-(methacrylic acid), poly-(glyceral methacrylate), poly-(vinyl alcohol), poly-(oxirane), poly-(acrylamide), poly-(N acrylamide), poly-(N, N-dimethylaminopropyl-N '-acrylamide), poly-(aziridine), poly-(acrylic acid) sodium, poly-(acrylic acid) potassium, polysaccharide and poly-(vinyl pyrrolidone) or its.Hydrogel layer can have greater than about 0.1 micron thickness.Hydrogel layer can have less than about 200 microns thickness.In one embodiment, hydrogel layer thickness can be about 1 micron to about 50 microns, about 50 microns to about 100 microns, or about 100 microns to about 200 microns.
In one embodiment, the test window comprises film.Film can comprise one or more reactive materials.In one embodiment, film comprises or is hydrogel layer.Film can further comprise photoreactivity material and one or more modifier.Modifier can change one or more film in response, and one or more pay close attention to selectivity, the dynamic range of film in response, the detection limit of film in response, the spectral color of film in response, the stability of film in response, the linearity of film in response or the response time of film of analyte.
Reactive materials can with at least a hydrogen ion, hydroxyl ion, halogen ion, metal ion or monomer reaction.Metal ion can comprise calcium or magnesium.Other metal ions can comprise aluminium, arsenic, cadmium, copper, lead, iron, manganese or zinc.Reactive materials can react with at least a carbanion, bicarbonate ion, phosphate anion, orthophosphite ions, sulfate ion or sulfite ion.Reactive materials can react with at least a polyacrylic acid, poly-sulfonated monomer (polysufonated monomer) or maleic anhydride.Reactive materials can react with anionic polymer.Reactive materials can react with biological agent or bioactivator.
Reactive materials can comprise the analyte specical regent.The compound that " analyte specical regent " used herein changes for any other optical property that shows that colorimetric, light are sold off, phototropic, thermo-color, fluorescence, elastic scattering, inelastic scattering, polarization and being used to detects physics, chemistry and biological substance.The analyte specical regent can comprise metal complex or salt, organic and inorganic dyestuff or pigment, nanocrystal, nano particle, quantum dot, organic fluorescence group, inorganic fluorophore and combination thereof.
Suitable reactive materials can comprise one or more organic dyestuff, organic fluorescence group, fluorescent dye, IR absorbing dye, UV absorbing dye, metachromatic stain, phototropic dyestuff, thermochromic dye or sulfonephthalein dyestuff.Suitable reactive materials can comprise one or more bromopyrogallol reds, xylidyl blue I, chlorophosphonazo III, bright green, rhodamine B, rhodamine 6G, eosin, the red B of flame, acridine orange, acridine red, ethyl red, methyl red, iodate 3,3 '-diethyl sulfide carbon cyanines, iodate 3,3 '-diethyl oxygen two carbon cyanines, merocyanine dye, methylenum careuleum, bromthymol blue, bromocresol green or phenol blue.Suitable reactive materials can comprise one or more acridine dyes, anthracene dyes, azo dyes, catechol dyestuff, cyanine dyes, oxazine dye, oxonol dye, phthalocyanine dye, phenthazine dyestuff, porphyrin dye, styryl color, triarylmethane dye, thiazine dye, triphenhlmethane dye or xanthene dye.Suitable reactive materials can comprise the antisense RNA of one or more Cy3 green fluorescence dyestuffs, Cy5 red fluorescence dyestuff, Cy5 mark.Suitable reactive materials can comprise one or more antibody, enzyme, nucleic acid, adaptive enzyme (aptazyme) or aptamers.
Suitable reactive materials can comprise that one or more can become blue gold nano grain label from redness when gold nano grain is assembled.Suitable reactive materials can comprise the silver-colored stain that can make the dyeing of gold nano grain label.Suitable reactive materials can comprise one or more glycol, alkyl ether or vinyl alcohol.
Reactive materials can comprise metal complex and dyestuff.Metal complex can have higher selectivity to analyte (phosphate in one case).The example that is fit to metal complex can comprise zinc complex and cobalt complex.Metal complex can comprise at least a can with the ligand of metal cation coordination.Can select the metal ligand complex compound,, cause the anion of the concrete shape of selective binding so that it provides some how much priorities.The example that is fit to ligand comprises pyridine, amine and any other nitrogenous ligand.In one embodiment, use the double-core zinc complex of (2, two (two (2-pyridylmethyl) the amino methyl)-4-methylphenols of 6-) ligand as reactive materials.
The metal developing dye uses with metal complex.Some examples of the metal developing dye that can use with metal complex comprise catechol dyestuff, triphenhlmethane dye, thiazine dye, oxazine dye, anthracene dyes, azo dyes, phthalocyanine dye and the combination of two or more thereof.Some instantiations of metal developing dye include but not limited to pyrocatechol violet, murexide, arsenazo I, arsenazo III, antipyrine azo III, azo 1 (Azol), blue K, the BATA (bis-amino phenoxy group tetraacethyl) of acid chrome black, chromotropic acid and XB-I (3-(3-(2,4-3,5-dimethylphenyl carbamoyl)-2 hydroxy naphthalene)-1-base-azo)-4-hydroxy benzene sulfonic acid and sodium salt.
Suitable metachromatic stain can comprise the dye of positive ion with phenthazine structure.Be fit to the phenthazine dyestuff and can comprise dimethylated methylene indigo plant, alkali blue 17 and new methylene blue N.The structure example of some suitable dyestuffs is shown in the table 1.
Table 1. metachromatic stain
The added substance that comprises in the reactive materials on the test window comprises for example pH modifier, and pH modifier is as buffer, and the pH level is remained on constant pH.Selection pH modifier depends on the character of used analyte specical regent, but pH modifier can comprise acid, alkali or salt.
Other added substances can comprise the signal reinforcing agent.The signal reinforcing agent can be sheltered the free isopolymolybdate that may be difficult to from the differentiation of phosphomolybdate material.If do not shelter, free isopolymolybdate can form ion pair with dyestuff, causes because independent phosphate produces stronger background signal or reduces signal.The example that is fit to the signal reinforcing agent includes but not limited to oxalic acid, sulfonic acid, oxalates, sulfonate and the combination of two or more thereof.
Surfactant can be joined reactive materials.The surfactant that is fit to comprises quaternary ammonium salt.This type of salt can comprise bromination cetyl trimethyl ammonium, chlorination three (dodecyl) ammonium methyl and Tetrabutylammonium bromide.
In one embodiment, in order to strengthen signal, can add polymer.The polymer concentrates that can have the measurement range amount.Can add dyestuff perchloric acid 2-(2-(3-((1,3-dihydro-3,3-dimethyl-1-propyl group-2H-indoles-2-subunit) ethidine)-2-phenoxy group-1-cyclohexene-1-yl) vinyl)-3 together, 3-dimethyl-1-propyl indole.This dyestuff is buied as IR 768 perchlorate.Be fit to the polymer adding and can comprise NAFION film or the another kind of PEM of buying.
About the fluid passage, passage has certain altitude, width and length.Can select height and width, with the flow velocity that passes through of control fluid, and fluid has the viscosity and the surface tension of measurement range in one group of measurement operation condition.The fluid passage can be further defined as the inner surface of the coating of paddle-tumble in substrate.Coating can be formed by such material, and described material makes the fluid passage inner surface can control the flow velocity that fluid passes through through selecting, and wherein fluid has the viscosity and the surface tension of measurement range in one group of measurement operation condition.
The fluid passage can be one of a plurality of circulation roads, each circulation road of a plurality of circulation roads has certain-length, this length is through selecting, the flowing time with the decision fluid from sample reception structure to the test window, and fluid has the viscosity and the surface tension of measurement range in one group of measurement operation condition.
In one embodiment, the fluid passage limits the stream that does not have right-angled bend and do not have acute angle to turn.In addition, the fluid passage can limit the stream that produces arc turning.The fluid passage can limit at least one root stream and at least two Arius roads, and the Arius road has the flow for root stream flow mark respectively, and each Arius road flow is through selecting, so that the measured quantity sample is provided to the test window.For single stream, the Arius road can have the flow different with at least one other Arius road.In one embodiment, fluid is only because capillarity is mobile in passage.Perhaps, fluid moves or is pushed by centrifugal action.In addition, can apply dynamic pressure by the post height of sample fluid in the sample reception structure.
The substrate sub-assembly can comprise the evaluation section.The section of identifying that is fit to can be for having the colorimetric zone of measuring look, holographic label, bar code (2D or 3D) or embedding formula chip.In one embodiment, identify that section is rfid device (RFID).RFID can be active or passive device, and can communicate by letter in detector means with the RFID reader.
The substrate sub-assembly can have " the previous use " sign that is fixed to above it.The previous sign of using can be used for discerning the substrate sub-assembly that had before used.The previous use sign that is fit to can comprise optical region, and this optical region irreversibly changes its optical property after being exposed to test specimen.Also comprise and distort identification function as the previous sign of using.This previous sign of using can be included in the structural gas tight seal film of air reactive, and the removal that wherein enters the required film of one or more test windows also makes structure be exposed to atmospheric gas, but with the optical change of the change detected that causes structure-for example.State as the previous use sign of " using " or " not using " can detect by the sensor in the detector means.
Goods can have the fluid over-flow structure.The fluid over-flow structure can be communicated with test window fluid, but is coupled to sample reception structure at least.The fluid over-flow structure can guarantee working sample amount rather than more test fluid are provided to the test window by sample reception structure.
In one aspect, embodiment of the present invention provide and can hold the goods device of (comprising the substrate sub-assembly).Constitute another embodiment of the invention with the device of article combination.Device can comprise the shell with inner surface.Inner surface can be defined as a certain size and shape to hold at least a portion chamber of goods.Device can comprise the energy and detector.The energy and detector are aimed at at least one test window of goods when goods are accommodated in the shell chamber.
Device can comprise a plurality of horizontal regulation mechanisms.Can operate this mechanism, to regulate substrate sub-assembly level in the shell chamber.Make substrate sub-assembly balance can promote sample fluid steadily, evenly and/or suitably to be assigned to the test window by sample channel from sample reception structure.
Device can be included as device and provide the circuit of electric power from battery, power supply adaptor or both.Simultaneously, circuit can be from the battery mode dynamic translation to the power supply adaptor pattern, and without the abort step, if this step is underway during powering mode changes.
Device can comprise display screen.Display screen can by with the test window on the relevant detector of test specimen or the information of being correlated with or both with unit state show read message.
The embodiment of device can comprise hinged lid.The surface of lid can limit the part of shell chamber.Lid can comprise some opticses of device.If time set is provided, then is fit to the position and can comprises lid.It is quantitative that timer can be used for dynamics.The optics that is fit to can comprise the electromagnetic-energy of sensor and/or coupling.The electromagnetic-energy that is fit to can comprise heating rod, lamp (for example tungsten lamp), ultraviolet source, light emitting diode (red, green and/or blue), Organic Light Emitting Diode and laser diode.Other electromagnetic-energies that are fit to are listed in the table 2.
Table 2. energy
| The source | Emission spectrum scope (nm) |
| ?? Continuous wave source： | |
| Xenon arc lamp | ??200-1000 |
| Mercury-arc lamp | ??250-600 |
| Deuterium lamp | ??180-420 |
| Tungsten lamp | ??320-2500 |
| Light emitting diode | Different diodes covers about 250 to 1500nm |
| Diode laser | Different diode lasers covers about 400 to 1500nm |
| Argon laser | Several lines, 350-514nm |
| Helium-neon laser | Several lines, 543-633nm |
| Krypton laser | Several lines, 530-676nm |
| ?? Clock： | |
| Nitrogen laser | ??337nm |
| Nd:YAG laser | Substantially-1064, frequency multiplication-532, frequency tripling-355 |
| Ti: sapphire laser | 720-1000, frequency multiplication 360-500 |
| Dye laser | 360-990, frequency multiplication 235 to 345 |
Be fit to sensor or detector and can comprise photodetector, photomultiplier, charge coupled device etc.The example of detector comprises vacuum or solid-state and list or multichannel detector.Vacuum detector is photoelectric tube and photomultiplier (PMT).Solid-state detector comprises photodiode, photodiode array, charge coupled device (CCD), charge injecting device (CID) and avalanche photodide.Multichannel detector comprises independent array of detectors, as photodiode array, PMT array.CCD, CID, CMOS and other types multichannel detector also can utilize, and can suitably use.
Electromagnetic-energy (being sometimes referred to as light source in this article) can select and with the sensors coupled that is fit to so that sample fluid contacts the amount or the type of the energy that can influence light emitted with reactive materials,, and receive by sensor with the reactive materials interaction.Reactive materials can react in sample fluid (liquid, steam or gas) with analyte.That reaction can increase the light by reactive materials, can reduce the light quantity by reactive materials, perhaps can change the light wavelength by sample.That reaction also can increase the light that reflects reactive materials, can reduce to reflect the light quantity of reactive materials, perhaps can change the light wavelength that reflects sample.In addition, contact can cause the signaling molecule in the reactive materials to send fluorescence in the presence of analyte from the energy in source.
According to the selection of source, detector and reactive materials, also other effects can take place, as in the presence of analyte Raman scattering taking place.For this embodiment, during flowing to reactive materials by passage, sample fluid collects Raman-active species by analyte.In this way, Raman-active particle (or another kind can be measured/the detectable signal transduction agent) separates with test window physics, is sent to the there unless carry by analyte.
About notch discussed above or structure substrate, device can comprise the projection of the notch that limits corresponding to the some parts by the substrate sub-assembly.Projection contacts with notch and makes the substrate sub-assembly indoor at definite position and direction aligning at shell.
Device can comprise Di Hegai.Lid can be hinged at the end.When the closed qualification of lid shell chamber, the surface of lid and the surface at the end can cooperatively interact.
Lid can comprise optics.Optics can comprise the energy and detector.In one embodiment, lid comprises one or more detectors, and the end comprises the energy.The energy can be provided to detector with electromagnetic energy.Perhaps, the end, comprise one or more detectors, and lid comprises the energy.The surperficial separately available mensuration light path that extends through the test window of lid and bottom limits at least one test tank.
Device also can comprise test tank length calibrating installation.Calibrating installation can be adjacent with at least one test tank, but and the length in determination test pond.But service range is measured generating laser/detector.Further about calibration, the substrate sub-assembly can comprise blank or the calibration test window that at least one test tank extends through.Available additional testing pond is as reference, and that test tank does not extend through the test window.During operation, but other parameters of the measuring accuracy or the degree of accuracy are aimed at and can be influenced to device sensing and/or monitoring test pond length, substrate sub-assembly.Monitoring can dynamically be carried out.
Sample size abundance testing fixture can be included in described device or the substrate sub-assembly, and can link to each other with sample reception structure or with the test window.As its name suggests, can detect the sample flow scale of construction improperly by testing fixture.Although the overflow structure can guarantee not use too many sample, testing fixture may be useful to small amount of sample fluid insufficiently.
Some reactive materials may need the time to finish reaction.Other reactive materials can be favourable by the energy drives reactions change that applies.If used reactive materials need add the abundant complete reaction of thermosetting, then can provide and test the thermal source of window thermal communication.During operant response, thermal source can be provided to heat energy the test window.Can use resistance coil, heating rod or infrared radiation source.
For live organism wherein may contact device embodiment, particularly shell chamber surface, antimicrobial coatings is arranged on the inner surface of shell chamber.Antimicrobial coatings can be continuous, and the energy transparent of paying close attention to by the energy and detector the time.When sample fluid includes harmful substances (for example chemical weapons, toxin, agrochemical), can use opposing harmful substance or coating that can decomposing harmful substances.
Further about optics, light source can produce the electromagnetic energy that can be detected or can be excited the fluorescent material of arranging by detector on the test window.Light source can be light emitting diode, Organic Light Emitting Diode or laser diode.Light emitting diode, Organic Light Emitting Diode or laser diode can be the part of complexes.These complexes can be launched the light of redness, green and blue wavelength region.Another kind of light source can be ultra violet light emitter.Another kind of light source can be infrared transmitter.Device can comprise the combination of these light sources of finishing different tests respectively.
The detector that is fit to can be ultraviolet, visible or infrared detector as required.In one embodiment, detector is charge coupled device (CCD).In one embodiment, detector is a photomultiplier.Detector can make and pass through the test window from the energy of energy emission through location and directed, with the sensitive thin film effect, and passes to detector.Perhaps, detector can make and pass through the test window from the energy of energy emission through location and directed, with the sensitive thin film effect, and transfers back to detector.When the test sensitive thin film, the energy and detector can be on the same side of test window, and perhaps when the test sensitive thin film, the energy and detector can be on the opposite sides of test window.
In one embodiment, a light source and a plurality of detector can be arranged.A plurality of detectors can comprise spectroscopic detector simultaneously.
With reference to Fig. 1, Fig. 1 shows the goods 100 according to one embodiment of the invention.Goods comprise substrate sub-assembly 102.Substrate sub-assembly 102 comprises the substrate 104 with periphery edge 106.Periphery edge limits notch angle 108.The surface of substrate limits the first and second mating holes 110a, and 110b, mating holes locate and directed (see figure 3) the substrate sub-assembly in detector.Sample reception structure 120 approximately is positioned at substrate center.In the embodiment of explanation, sample reception structure is oblate or oval.A plurality of outlets 122 allow sample structure to be communicated with corresponding a plurality of fluid passages 130.At least some root fluid passages are divided into inferior passage 132.The fluid passage allows the sample reception structure fluid to be communicated to test window 140.
Sampling amount abundance test tank 150, reference test pond 152, previous sign 154 and the evaluation section 156 of using on substrate.
With reference to Fig. 2, Fig. 2 shows the goods 200 according to one embodiment of the invention.Goods comprise substrate sub-assembly 202.The substrate sub-assembly comprises the substrate 204 with periphery edge 206.Periphery edge limits notch angle 208.The surface of substrate limits the first and second mating holes 210a, and 210b, mating holes locate and directed (see figure 3) the substrate sub-assembly in detector.Sample reception structure 220 approximately is positioned at substrate center.In the embodiment of explanation, sample reception structure is oblate or oval.A plurality of outlets 222 allow sample structure to be communicated with corresponding a plurality of fluid passages 230.At least some root fluid passages are divided into inferior passage 232.The fluid passage allows the sample reception structure fluid to be communicated to test window 240.On substrate, provide and distort sign 254.
In the embodiment of this explanation, sample reception structure has circular cross section, or circle.The fluid passage is arc, and does not limit sharp comer or turning.In addition, the fluid passage has different width, so that the rate of flow of fluid and/or the fluid flow of different passages are passed through in control, and determines separate.In embodiment, can make fluid passage Cheng Jiao, measured quantity is mixed into fluid stream for choosing.
After use, can recover or dispose substrate.In the time of suitably, the inboard of shell can through cleaning, decontamination and sterilization.
Embodiment
The quantitative analysis of chemical substance (analyte) in the embodiment 1-water
Device can provide water analysis.Under the indoor no substrate sub-assembly of shell, add blank for device.After adding blank, it is indoor that the substrate sub-assembly is put into shell, and carry out zero reading or calibration.Then, water sample (＜50 μ L volume) is applied on the substrate sub-assembly, enters sample reception structure.The substrate sub-assembly has a plurality of test windows, and the test window is included in the film that has the differential responses material on each window.Fluid moves through fluid flowing passage from sample reception structure, and the reactive materials film on the contact test window.After energy emission exposure in 2 minutes,, and detect by detector by test window, film, reactive materials and fluid sample.Carry out a Static Detection at a test window, then the time is carried out a series of detections by another test window after measured for dynamic data collection.The light quantity that detects is kept in the computer storage, is used for analyzing and estimating.
Carry out Ca at a test window
2+Measure.Reactive materials in the sensitive thin film is in conjunction with the Ca in the polymethylacrylic acid 2-hydroxy methacrylate hydrogel
2+Ion-sensitive dyestuff xylidyl blue.Be used for Ca
2+The calibration curve of measuring has and is used in organic developing dye fixing in the thin polymer film and measures cationic general shape.Calculate detection limit (at S/N=3) and be hundred very much (ppm) five.This detection limit is corresponding to the 0.023 trap unit resolution rate that obtains with the identical colorimetric film of comparable portable optical spectrometer.
In another test window, carry out the mensuration of chlorine in the water.Sample fluid contacts the another kind of reactive materials in other sensitive thin films, reactive materials comprise iodate 1 in the polymethylacrylic acid 2-hydroxy methacrylate hydrogel ', 1 '-diethyl-4,4 '-carbon cyanine dye.The calculating detection limit (at S/N=3) of chlorine measurement be 1,000,000,000 minutes (ppb) 200.
Embodiment 2-biological sampling
With the film preparation test window that wherein is combined with reactive materials.Reactive materials comprises biological identification molecule, this identification molecule by can be compound the sessile antibody of concern analyte.Another kind of test window has a kind of film, and it is right that described film comprises with the immobilized oligonucleotide alkali of concrete nucleic acid chains hybridization.Film comprises and is applicable to that ELISA measures (alkaline phosphate and horseradish peroxidase) and with the additional enzymes of the testing mechanism on fluorescence basis.Equally, fixating reagent comprises analyte or stimulates the co-factor of concrete enzymatic reaction.
Detector comprises commercially available bifurcation fiber reflective probe, and light source is a laser diode.
Sample fluid is added to sample reception structure makes the sample fluid that contains analyte of measured quantity flow to the test window by passage.The passage interfering material alternative and from sample fluid that is lined with the sessile antibody material reacts, and therefore will fix from the interfering material of sample fluid.The analyte that reaches the test window can react with fluorogen, therefore launches the light of independent optical wavelength when the long illumination of apparatus bulk wave is penetrated.Sensors/detectors is monitored the light of second wavelength then.Light quantity is based on the amount of analyte of the concrete concentration that exists in the sample.
Embodiment as herein described is to have corresponding to the goods of the key element of the key element of invention described in the claim, the example of system and method.This written explanation can make those of ordinary skill in the art arrange and use has the embodiment of selecting key element equally corresponding to the confession of the key element of invention described in the claim.Therefore, scope of the present invention comprises goods, the system and method that is not different from the claim literal language, and further comprises other goods, the system and method that does not have essential difference with the claim literal language.Though this paper only illustrates and describe some feature and embodiment, those of ordinary skill in the related art can carry out many modifications and variations.Accessory claim covers all such modifications and variation.
Claims (90)
Priority Applications (1)
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| CN201510622869.4A CN105289765A (en) | 2007-08-14 | 2008-06-19 | Article, device, and method |
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| PCT/US2008/067461 WO2009023373A2 (en) | 2007-08-14 | 2008-06-19 | Article, device, and method |
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| EP (1) | EP2188053A2 (en) |
| CN (2) | CN101821008A (en) |
| AR (1) | AR067755A1 (en) |
| CA (1) | CA2696364A1 (en) |
| CL (1) | CL2008002365A1 (en) |
| IL (1) | IL203951A (en) |
| TW (1) | TWI476390B (en) |
| WO (1) | WO2009023373A2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102288605A (en) * | 2011-08-25 | 2011-12-21 | 浙江天能电池(江苏)有限公司 | Method for rapidly determining iron content in concentrated sulphuric acid |
| CN107110768A (en) * | 2014-10-24 | 2017-08-29 | 京都府公立大学法人 | Sample clamper |
| CN109789407A (en) * | 2016-09-09 | 2019-05-21 | 因微泉有限公司 | Instant detection device platform |
| CN109789407B (en) * | 2016-09-09 | 2021-12-31 | 因微泉有限公司 | Instant detection device platform |
| CN110036433A (en) * | 2016-09-27 | 2019-07-19 | 伊努鲁有限公司 | Lossless integration of electronic devices |
| CN107389549A (en) * | 2017-08-17 | 2017-11-24 | 武汉璟泓万方堂医药科技股份有限公司 | Rotating disc type collaurum/fluorescent test paper chip |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090044603A1 (en) | 2009-02-19 |
| CL2008002365A1 (en) | 2009-05-29 |
| CN105289765A (en) | 2016-02-03 |
| WO2009023373A2 (en) | 2009-02-19 |
| CA2696364A1 (en) | 2009-02-19 |
| IL203951A (en) | 2014-06-30 |
| WO2009023373A3 (en) | 2009-07-16 |
| EP2188053A2 (en) | 2010-05-26 |
| TW200925578A (en) | 2009-06-16 |
| US7977660B2 (en) | 2011-07-12 |
| AR067755A1 (en) | 2009-10-21 |
| TWI476390B (en) | 2015-03-11 |
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Application publication date: 20100901 |